| 主权项 |
1. A transmission system in which a first communication terminal and a second communication terminal that perform bidirectional communication are communicably connected via a first communication network, a long-distance transmission path, and a second communication network,
wherein protocol converters and routing control devices are placed on both sides of the long-distance transmission path, wherein a first terminal-side routing control device is placed between the first communication network and the first communication terminal, wherein a second terminal-side routing control device is placed between the second communication network and the second communication terminal, wherein the first terminal-side routing control device comprises a first via information setting unit for including, in data received from the first communication terminal, information for specifying a routing control device placed on one side of the long-distance transmission path as a via device, and wherein the second terminal-side routing control device comprises a second via information setting unit for including, in data received from the second communication terminal, via information for specifying a routing control device placed on the other side of the long-distance transmission path as a via device. |
